■ respectable 与 respectful

前者是本身正派、值得受人尊敬、殷实。

• young people from respectable homes正经人家的青年人
• That's not done in respectable society.上流社会是不这样干的。

后者则是尊重别人、有礼貌。

• to be respectful to age敬老
• to keep at a respectful distance敬而远之。

• substitute
• substitute 与 replace
• succeed
• success
• successful
• successful 与 successive
• successive
• such
• such
• suggest
• suggestion
• suitable
• suited
• summon
• summons
• summon 与 summons
• sunday
• supply
• support
• supposedly
• sure
• surprise
• surprise, amaze, astonish 与 astound
• survive
• survive